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Tag: "below" at biology news

Research identifies protein that signals flowering in squash plants

... maxima (pumpkin) stocks (the stock is the portion below the graft union containing the roots) grafted to non-induced, LD-grown C. moschata scions (the portion above the graft union). These experiments led to flowering of the C. moschata scions, indicating efficient transmission of a florigenic signal from...

Simulations unravel outer membrane transport mechanism

...B12 to pass through the barrel. (Click on the link below the image of the system to watch the results of the simulation.) A second simulation exerted a force near the center of gravity of the luminal domain, pulling it out of the barrel in one piece. This required an enormous input of energy, however. ...

Warning from Asian bees

...he next 12 months, which will lead to a yield well below average in the Australian honey crop over the next 12 months to two years.” All sections of the local industry accept that the arrival of destructor in Australia is a matter of when, not if, and its effects would be far more dramatic than a wide i...

Clot-dissolving agent may be beneficial in treatment of severe frostbite

... underwent 14 proximal amputations, including five below the knee. The preservation of limbs, which maximizes patient functional outcome, is perhaps the greatest benefit conferred by use of tPA in frostbite injury.” The researchers suspect tPA helps reduce the injury caused when frozen skin is warmed ag...

Detecting cold, feeling pain: Study reveals why menthol feels fresh

...tive to cold -- they avoided contact with surfaces below 10 degrees C, though with reduced efficiency -- the next step, says Julius, will be to illuminate this residual aspect of cold sensation. The finding is the latest of a series of discoveries led by the Julius lab on the molecular mechanisms of tem...

NASA-funded robotic sub finds bottom of world's deepest sinkhole

...ding its previously undiscovered bottom 318 meters below the surface and generating a sonar map of its inner dimensions. The vehicle employed autonomous navigation and mapping systems developed by Carnegie Mellon University’s Robotics Institute. During a two-week NASA-funded exploration led by Bill Stone ...

Catching cancer's spread by watching hemoglobin

...chnique can image blood vessels up to a millimeter below the surface. Looking at blood vessels just below skin growths would be very useful for distinguishing between malignant and benign skin tumors, and w...

Magnetic computer sensors may help study biomolecules

...t is strongest near the ends of the magnetic stack below the membrane—a field strong enough to trap nanoscale magnetic particles. The NIST experiments demonstrated that the spin valves not only can trap magnetic particles, but also can be used as the pivot point for rotating strands of particles when a ...

Dinosaur hearing, listening to muscle noise, quieter cubicles

...ing. Full abstracts of the presentations mentioned below can be viewed at the ASA Meeting Abstracts Databas...w frequencies, with a high frequency hearing limit below 3 kHz. For comparison, this is around the upper frequency limit of a conventional telephone; humans...

From the deep -- Researchers find new species of sea anemone

...ones of a dead whale some 1.8 miles (3,000 meters) below sea level in a region of the Pacific Ocean called Monterey Canyon, roughly 25 miles off the coast of Monterey, Calif. All of the specimens currently in Daly's collection came from this whale fall. The anemone, given the scientific name Anthosactis...

Hives ferment a yeasty brew, attract beetle pest

...beetles can detect some alarm pheromones at levels below that detected by honeybees. The beetles associate the alarm chemicals with a good food source and head for the hive. In Africa, where the small hive beetle is a minor honeybee pest, bees quickly isolate an invading beetle, but domesticated European ...

Using nanomagnets to enhance medical imaging

... images—as long as the nanomagnet concentration is below a certain threshold. (A nanometer is one billionth of a meter.) Previous studies by other research groups had reached conflicting conclusions on the utility of molecular nanomagnets for MRI, but without accounting for concentration. NIST scientists, ...

Tracking sperm whales and jumbo squid

...cosystems, the mesopelagic zone [650 to 3,300 feet below sea level]," the authors wrote. "How sperm whales ...ceti whale obtains his whole food in unknown zones below the surface; and only by inference is it that any one can tell of what, precisely, that food consist...

When your brain talks, your muscles don't always listen

...s have limited cooling because they can't perspire below the site of injury," Knight said, "so their core body temperature can reach dangerous levels." In graduate school, he decided to pursue motor control research, and he's never looked back. "My early interests were based on sport, but my career i...

Molecular differences between early and advanced melanomas could provide new drug targets

...melanomas. Radial melanomas that have not spread below the skin can be treated surgically and have a survival rate of 98 percent beyond five years, according to the American Cancer Society. But when melanomas grow downward, the tumors become highly resistant to chemotherapy and radiation and the five-yea...

Is there a pilot in the insect?

... or pilot flies over land, the image of the ground below sweeps from front to back across the central part of the visual field, creating an "optic flow", which is defined as the angular speed at which the ground contrasts move past. By definition, this angular speed is equal to the ratio of the horizontal...

Gene that makes people 'early to bed and early to rise' demystified

...me points and, in the latter half of a cycle, fall below the threshold earlier than normal, leading to activation of transcription earlier and resulting in a shorter period." The advance in understanding of PER2's role may ultimately lead to methods for people, such as nurses who must care for patients i...

Gene therapy for blindness clears hurdle in mice

...ering RNA into a virus, which in turn was injected below the retinas in more than a dozen normal mice. Analysis showed the technique reduced the amount of rhodopsin by about 60 percent. With the gene drastically muzzled, scientists have begun experiments to create a therapy in which healthy versions of ...

Nanotechnology shows promise as next wrinkle fighter

...plane and redirect them. Once the force is reduced below the critical buckling strain, the film will not buckle. No buckles, no wrinkles. The nanoparticles in the film can be stress busters without affecting the neighboring layers. "The wrinkle-free films will automatically absorb or deflect the stress ...

Long-lived deep-sea fishes imperiled by technology, overfishing

...powerful ships can drag huge nets hundreds of feet below the surface. New refrigeration techniques, including "flash freezing," allow ships to range far out into the ocean for days at a time. And sophisticated global positioning systems (GPS) and fish finders can target schools of fish or seamounts with ea...

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(Date:9/15/2014)... and cognitive function may play roles in one,s musical ... pitch, timbre, tone durations, and formal structure in music. ... explain that extremes in musical aptitude (extreme capacity/no capacity) ... individuals having moderate aptitude. , "This is a typical ... genes, and it is influenced to varying degrees by ...
(Date:9/15/2014)... no published account where hippopotamuses are demonstrably shown swimming ... water. But if they can,t swim, how did they ... accepted models for the methods, patterns, and timing of ... Crete, and Madagascar) may need to be reconsidered. , ... mainland are not currently supported by positive geological ...
(Date:9/15/2014)... German . , ... divides in the middle and originates two identical daughter ... of the same kind are similarly sized and big ... Vienna, revealed that two non-model bacteria divide regularly despite ... eye. These findings have been published in the renowned ...
Breaking Biology News(10 mins):Think big! Bacteria breach cell division size limit 2
(Date:9/16/2014)... the year for the latest science in the field. ... Care Association (ACCA) of the European Society of Cardiology ... , Monday 16 September 2014 Sophia Antipolis, France ... dealing with acute problems in need of urgent care ... The scientific programme is available here . , ...
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(Date:9/16/2014)... Angeles, CA (PRWEB) September 16, 2014 According ... NFL player David Wilson has retired after aggravating a neck ... disc, and was then discovered to have spinal stenosis as ... affects many adults and can lead to symptoms such as ... could play again after surgery to repair the disc, but ...
(Date:9/16/2014)... NEW YORK (PRWEB) September 16, 2014 Today ... announced that its annual “Festive Evening of Song,” featuring luminary ... will take place on Monday, September 29, 2014 at the ... in Tarrytown, New York. The FSH Society is proud to ... event aimed at raising funds for FSHD research. , FSHD, ...
(Date:9/16/2014)... (PRWEB) September 16, 2014 According to ... leading global authority in medical device market research, the ... over $750 million in the U.S . and ... initial PEG placement kits, PEG replacement tubes, DPEJ tubes, ... segmented into low-profile balloon tubes, low-profile non-balloon tubes, nasogastric ...
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